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Table 4 The empirical powers of the robust CUSUM test and the CUSUM test for dependent innovations

From: A robust test for mean change in dependent observations

 

CUSUM

RCUSUM

T  = 300

T  = 500

T  = 1,000

T  = 300

T  = 500

T  = 1,000

The change point \(\tau_{0}=0.3\)

α = 1.97

0.348

0.848

0.995

0.921

1.000

1.000

α = 1.83

0.241

0.676

0.953

0.931

0.993

1.000

α = 1.41

0.111

0.242

0.409

0.944

0.997

0.997

α = 1.14

0.029

0.056

0.080

0.943

1.000

1.000

The change point \(\tau_{0}=0.5\)

α = 1.97

0.931

0.995

0.997

0.993

1.000

1.000

α = 1.83

0.796

0.954

0.985

0.989

1.000

1.000

α = 1.41

0.285

0.456

0.605

0.990

1.000

1.000

α = 1.14

0.057

0.088

0.106

0.989

1.000

1.000

The change point \(\tau_{0}=0.7\)

α = 1.97

0.937

0.997

0.997

0.949

1.000

1.000

α = 1.83

0.783

0.926

0.969

0.934

1.000

1.000

α = 1.41

0.238

0.373

0.553

0.938

0.997

1.000

α = 1.14

0.046

0.068

0.094

0.948

0.997

1.000